Which statement about field markings is correct?

• A. They must be legible and durable to withstand environmental conditions
• B. They must include the serial number of the equipment
• C. They must be updated every year
• D. They must be color-coded by equipment type

Answer: (A)

Field markings on equipment that’s exposed to outdoor or harsh environments must stay readable over time. If labels fade, peel, or become unreadable, workers can’t identify equipment quickly, which can lead to mistakes or safety issues. Durability against weather, UV exposure, moisture, and abrasion ensures the information remains available when needed. The statement that field markings must be legible and durable to withstand environmental conditions captures the essential requirement in real-world settings. Other options—like including a serial number, updating annually, or color-coding by equipment type—can be part of labeling schemes in some contexts, but they are not universal or primary mandates for field markings themselves.